package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo2 {
    public static void main(String[] args) throws Exception{
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"

        );
        Statement statement = connection.createStatement();
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入用户名");
        String username = scanner.nextLine();
        System.out.println("请输入密码");
        String password = scanner.nextLine();
        String sql="update userinfo set password='"+password+"' where username='"+username+"'";
        int in=statement.executeUpdate(sql);
        if(in>0){
            System.out.println("恭喜密码修改成功");
        }else {
            System.out.println("程序繁忙");
        }
        connection.close();


    }
}
